Home / 78,788.56-118,148.20-29,506

Finding the Fourth Proportional to 78,788.56, 118,148.20 and 29,506

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Solution

The fourth proportional to 78,788.56, 118,148.20 and 29,506 is: 44,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,788.56 : 118,148.20 = 29,506 : x
  2. Step 2: Convert to fraction form
    78,788.56/118,148.20 = 29,506/x
  3. Step 3: Cross multiply
    78,788.56x = 118,148.20 × 29,506
  4. Step 4: Simplify right side
    78,788.56x = 3,486,080,789.20
  5. Step 5: Solve for x
    x = 3,486,080,789.20/78,788.56
  6. Step 6: Final answer
    x = 44,246.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.